M32CSLASH86T datasheet(115/505 Pages) RENESAS

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9. Clock Generation Circuit

)

(

9.5.3.2 Exiting Stop Mode

_______

Stop mode is exited by the hardware reset, NMI interrupt or peripheral function interrupts (key input

______

interrupt and INT interrupt).

_______

When the hardware reset or NMI interrupt, but not the peripheral function interrupts, is used to exit wait

mode, set all ILVL2 to ILVL0 bits in the interrupt control registers for the peripheral function interrupt to

"0002" (interrupt disabled) before setting the CM10 bit to "1" (all clocks stops).

9.5.3.3 Pin Status in Stop Mode

Table 9.9 lists pin status in stop mode.

Table 9.9 Pin Status in Stop Mode

Memory Expansion Mode(1)

Single-Chip Mode

Microprocessor Mode(1)

_______

Address Bus, Data Bus, CS0 to CS3, BHE

Maintains state immediately before

entering stop mode

_____

______

________

_________

RD, WR, WRL, WRH

"H"

__________

HLDA, BCLK

"H"

ALE

"H"

Ports

Maintains state immediately before entering stop mode

CLKOUT

When fC selected

"H"

When f8, f32 selected

Maintains state immediately before entering stop mode

XIN

Placed in a high-impedance state

XOUT

"H"

XCIN, XCOUT

Placed in a high-impedance state

NOTES:

1. M32C/86T cannot be used in memory expansion mode and microprocessor mode.

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